P. Valentini:
Legendrian cycles and Alexandrov sphere theorems for $W^{2,n}$-hypersurfaces
(Ph.D. Thesis) 2025

M. Santilli, P. Valentini:
Alexandrov sphere theorems for $ W^{2,n} $-hypersurfaces
Proc. Roy. Soc. Edinburgh Sect. A 2025

P. Valentini:
Legendrian cycles and Reilly-type variational formulae for $F_nW^{2,n}$-sets
(Submitted Paper) http://arxiv.org/abs/2606.03373 2026